Electronic device with UV illumination arrangement

Details Electronic device with UV illumination arrangement Electronic device with UV illumination arrangement

2007-02-06

2007-02-06

Luebke, Renee (Department: 2875)

Illumination

Illuminated scale or dial

Illuminated through meter case

C116S288000

Reexamination Certificate

active

10936627

ABSTRACT:
An indicator hand illumination arrangement for use in an electronic device that comprises a casing, a dial positioned in the casing, at least one indicator hand positioned intermediate the dial and a cover for at least in part protecting the at least one indicator hand and the dial, wherein the arrangement comprises a light emitting element coupled to the cover, for emitting lightwaves in the UV spectrum towards the at least one indicator hand and in a direction perpendicularly to the dial surface; wherein the at least one indicator hand has a proximate end that is coupled to a stem and a distal end, the at least one indicator hand having a top surface, an inner and outer bottom surface, and a angled surface angled non-perpendicularly to the angle of the lightwaves; such that lightwaves that emanate from the light emitting element deflect off of the angled surface and propagate in a direction towards the distal end of the at least one indicator hand.

REFERENCES:
patent: 3490226 (1970-01-01), Anderson et al.
patent: 4561042 (1985-12-01), Wehner et al.
patent: 5546888 (1996-08-01), Skiver et al.
patent: 5697322 (1997-12-01), Hay et al.
patent: 5751622 (1998-05-01), Purcell
patent: 6299321 (2001-10-01), Fuwausa
patent: 2003/0112712 (2003-06-01), Ferri et al.
patent: WO 2004/034153 (2004-04-01), None

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